Area variations in selected Medicare procedures.
Holahan
J
J
Health Policy Center, Urban Institute, Washington, D.C.
Berenson
R A
RA
Kachavos
P G
PG
D006296:Health Services / Q000191:economics / Q000706:statistics & numerical data*; D006278:Medicare / Q000706:statistics & numerical data*; D008511:Medicine; D013038:Specialization; D014481:United States